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. 2006 Sep 13;44(11):3963–3968. doi: 10.1128/JCM.00717-06

TABLE 4.

PCR-RFLP fragment patterns obtained with three wild-type STEC O157:H7 strains and their derivative strains revived after prolonged storage at room temperature for a total period of 25 weeks and with subcultures at every 5-week interval

Strain and PCR-RFLP profile No. of colonies showing identity to PCR-RFLP profile following storage for no. of wks:
Presubculture 0 5 10 15 20 25
RIMD0509952 (Sakai strain), I-A 14 14 14 14 14 14 14
EC1015
    II-A 12 14 14 14 14 14 14
    II-B 2a 0 0 0 0 0 0
83-1386, III-A 14 14 14 14 14 14 14
a

One strain originated from profile II-a, 1 of the 6 strains, and 1 strain originated from profile II-b, 1 of the 5 strains, as shown in Tables 1 and 2.